Example usage for java.util StringJoiner StringJoiner

Introduction

In this page you can find the example usage for java.util StringJoiner StringJoiner.

Prototype

public StringJoiner(CharSequence delimiter) 

Source Link

Document

Constructs a StringJoiner with no characters in it, with no prefix or suffix , and a copy of the supplied delimiter .

Usage

From source file:com.microsoft.sqlserver.testframework.DBTable.java

String createTableSql() {
    StringJoiner sb = new StringJoiner(SPACE_CHAR);

    sb.add(CREATE_TABLE);/*from ww w.  j  a  v a2 s.co m*/
    sb.add(escapedTableName);
    sb.add(OPEN_BRACKET);
    for (int i = 0; i < totalColumns; i++) {
        DBColumn column = getColumn(i);
        sb.add(escapeIdentifier(column.getColumnName()));
        sb.add(column.getSqlType().getName());
        // add precision and scale
        if (VariableLengthType.Precision == column.getSqlType().getVariableLengthType()) {
            sb.add(OPEN_BRACKET);
            sb.add("" + column.getSqlType().getPrecision());
            sb.add(CLOSE_BRACKET);
        } else if (VariableLengthType.Scale == column.getSqlType().getVariableLengthType()) {
            sb.add(OPEN_BRACKET);
            sb.add("" + column.getSqlType().getPrecision());
            sb.add(COMMA);
            sb.add("" + column.getSqlType().getScale());
            sb.add(CLOSE_BRACKET);
        }

        sb.add(COMMA);
    }
    sb.add(CLOSE_BRACKET);
    return sb.toString();
}

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From source file:com.cotrino.langnet.GenerateVisualization.java

/**
 * based on http://bl.ocks.org/1377729/*w  ww  . jav  a2  s.  c om*/
 * @param jsFile
 */
private void generateVisualization(String jsFile) {

    String content = "";
    int i = 0;
    double max = 0.0, min = 100.0;
    StringJoiner sj = new StringJoiner(",");
    StringJoiner nodesHash = new StringJoiner(" ");
    StringJoiner linkList = new StringJoiner(",");
    HashMap<String, Integer> languageIds = new HashMap<String, Integer>();

    for (String language : amountWordsPerLanguage.keySet()) {

        // language bubble color & size
        int red = (int) (Math.random() * 127.0);
        int green = (int) (Math.random() * 127.0);
        int blue = (int) (Math.random() * 127.0);
        int color = ((red + 128) << 16) | ((green + 128) << 8) | ((blue + 128));
        int textcolor = ((red + 64) << 16) | ((green + 64) << 8) | ((blue + 64));
        int size = amountWordsPerLanguage.get(language) / 2000;
        if (size < 5) {
            size = 5;
        }

        // language information
        String description = "Language: " + getWikiURL(language) + "<br/><br/>";
        if (languageSimilarities.containsKey(language)) {
            List<LanguageSimilarity> similarLanguages = languageSimilarities.get(language);
            Collections.sort(similarLanguages);
            description += "Similar to:<ul>";
            // look for most similar languages
            for (LanguageSimilarity languageB : similarLanguages) {
                description += "<li>" + getWikiURL(languageB.language) + " at "
                        + String.format("%d", (int) (languageB.similarity * 100)) + "%</li>";
                max = Math.max(max, languageB.similarity);
                min = Math.min(min, languageB.similarity);
            }
            description += "</ul>";
        } else {
            description += "No similar languages found.";
        }

        sj.add("{ label : \"" + language + "\", " + "id : " + i + ", " + "color : \"#"
                + String.format("%6x", color) + "\", " + "textcolor : \"#" + String.format("%6x", textcolor)
                + "\", " + "size : " + size + ", desc : \"" + description + "\" }");

        nodesHash.add("nodesHash[\"" + language + "\"] = " + i + ";");
        languageIds.put(language, i);
        i++;
    }

    content += "var nodesArray = [\n" + sj.toString() + "\n];\n\n";

    content += "var nodesHash = [];\n" + nodesHash.toString() + "\n\n";

    for (String languageA : languageSimilarities.keySet()) {
        for (LanguageSimilarity languageB : languageSimilarities.get(languageA)) {
            int color = (int) (240 * (1.0 + MIN_SIMILARITY - languageB.similarity));
            if (color > 240) {
                color = 240;
            }
            if (languageIds.containsKey(languageA) && languageIds.containsKey(languageB.language)) {
                linkList.add("{ desc : \"" + languageA + " -- " + languageB.language + "\", " + "source : "
                        + languageIds.get(languageA) + ", " + "target : " + languageIds.get(languageB.language)
                        + ", " + "weight : " + languageB.similarity + ", " + "color : \"#"
                        + String.format("%02x%02xff", color, color) + "\" }");
            }
        }
    }
    content += "var linksArray = [\n" + linkList.toString() + "\n];\n";

    IOUtil.write(jsFile, content);

}

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From source file:net.straylightlabs.archivo.controller.TelemetryController.java

public static String getAddressesAsString(NetworkInterface nic) {
    StringJoiner sj = new StringJoiner(", ");
    for (InetAddress address : Collections.list(nic.getInetAddresses())) {
        sj.add(address.getHostAddress());

    }//ww  w.ja va  2s .  c o  m
    return sj.toString();
}

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From source file:org.mule.service.soap.client.CxfClientProvider.java

private Map<String, Object> buildSecurityProperties(List<SecurityStrategyCxfAdapter> strategies,
        SecurityStrategyType type) {//from  w w w  . j  a va2  s .  c  om
    if (strategies.isEmpty()) {
        return emptyMap();
    }

    Map<String, Object> props = new HashMap<>();
    StringJoiner actionsJoiner = new StringJoiner(" ");

    ImmutableList.Builder<CallbackHandler> callbackHandlersBuilder = ImmutableList.builder();
    strategies.stream().filter(securityStrategy -> securityStrategy.securityType().equals(type))
            .forEach(securityStrategy -> {
                props.putAll(securityStrategy.buildSecurityProperties());
                actionsJoiner.add(securityStrategy.securityAction());
                securityStrategy.buildPasswordCallbackHandler().ifPresent(callbackHandlersBuilder::add);
            });

    List<CallbackHandler> handlers = callbackHandlersBuilder.build();
    if (!handlers.isEmpty()) {
        props.put(PW_CALLBACK_REF, new CompositeCallbackHandler(handlers));
    }

    String actions = actionsJoiner.toString();
    if (isNotBlank(actions)) {
        // the list of actions is passed as a String with the action names separated by a black space.
        props.put(ACTION, actions);
    }

    // This Map needs to be mutable, cxf will add properties if needed.
    return props;
}

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From source file:com.google.gerrit.server.mail.send.OutgoingEmail.java

/**
 * Format and enqueue the message for delivery.
 *
 * @throws EmailException//  ww  w. j a  va2 s . c  o  m
 */
public void send() throws EmailException {
    if (NotifyHandling.NONE.equals(notify) && accountsToNotify.isEmpty()) {
        return;
    }

    if (!args.emailSender.isEnabled()) {
        // Server has explicitly disabled email sending.
        //
        return;
    }

    init();
    if (useHtml()) {
        appendHtml(soyHtmlTemplate("HeaderHtml"));
    }
    format();
    appendText(textTemplate("Footer"));
    if (useHtml()) {
        appendHtml(soyHtmlTemplate("FooterHtml"));
    }

    Set<Address> smtpRcptToPlaintextOnly = new HashSet<>();
    if (shouldSendMessage()) {
        if (fromId != null) {
            final Account fromUser = args.accountCache.get(fromId).getAccount();
            GeneralPreferencesInfo senderPrefs = fromUser.getGeneralPreferencesInfo();

            if (senderPrefs != null && senderPrefs.getEmailStrategy() == CC_ON_OWN_COMMENTS) {
                // If we are impersonating a user, make sure they receive a CC of
                // this message so they can always review and audit what we sent
                // on their behalf to others.
                //
                add(RecipientType.CC, fromId);
            } else if (!accountsToNotify.containsValue(fromId) && rcptTo.remove(fromId)) {
                // If they don't want a copy, but we queued one up anyway,
                // drop them from the recipient lists.
                //
                removeUser(fromUser);
            }
        }
        // Check the preferences of all recipients. If any user has disabled
        // his email notifications then drop him from recipients' list.
        // In addition, check if users only want to receive plaintext email.
        for (Account.Id id : rcptTo) {
            Account thisUser = args.accountCache.get(id).getAccount();
            GeneralPreferencesInfo prefs = thisUser.getGeneralPreferencesInfo();
            if (prefs == null || prefs.getEmailStrategy() == DISABLED) {
                removeUser(thisUser);
            } else if (useHtml() && prefs.getEmailFormat() == EmailFormat.PLAINTEXT) {
                removeUser(thisUser);
                smtpRcptToPlaintextOnly.add(new Address(thisUser.getFullName(), thisUser.getPreferredEmail()));
            }
            if (smtpRcptTo.isEmpty() && smtpRcptToPlaintextOnly.isEmpty()) {
                return;
            }
        }

        // Set Reply-To only if it hasn't been set by a child class
        // Reply-To will already be populated for the message types where Gerrit supports
        // inbound email replies.
        if (!headers.containsKey("Reply-To")) {
            StringJoiner j = new StringJoiner(", ");
            if (fromId != null) {
                Address address = toAddress(fromId);
                if (address != null) {
                    j.add(address.getEmail());
                }
            }
            smtpRcptTo.stream().forEach(a -> j.add(a.getEmail()));
            smtpRcptToPlaintextOnly.stream().forEach(a -> j.add(a.getEmail()));
            setHeader("Reply-To", j.toString());
        }

        String textPart = textBody.toString();
        OutgoingEmailValidationListener.Args va = new OutgoingEmailValidationListener.Args();
        va.messageClass = messageClass;
        va.smtpFromAddress = smtpFromAddress;
        va.smtpRcptTo = smtpRcptTo;
        va.headers = headers;
        va.body = textPart;

        if (useHtml()) {
            va.htmlBody = htmlBody.toString();
        } else {
            va.htmlBody = null;
        }

        for (OutgoingEmailValidationListener validator : args.outgoingEmailValidationListeners) {
            try {
                validator.validateOutgoingEmail(va);
            } catch (ValidationException e) {
                return;
            }
        }

        if (!smtpRcptTo.isEmpty()) {
            // Send multipart message
            args.emailSender.send(va.smtpFromAddress, va.smtpRcptTo, va.headers, va.body, va.htmlBody);
        }

        if (!smtpRcptToPlaintextOnly.isEmpty()) {
            // Send plaintext message
            Map<String, EmailHeader> shallowCopy = new HashMap<>();
            shallowCopy.putAll(headers);
            // Remove To and Cc
            shallowCopy.remove(HDR_TO);
            shallowCopy.remove(HDR_CC);
            for (Address a : smtpRcptToPlaintextOnly) {
                // Add new To
                EmailHeader.AddressList to = new EmailHeader.AddressList();
                to.add(a);
                shallowCopy.put(HDR_TO, to);
            }
            args.emailSender.send(va.smtpFromAddress, smtpRcptToPlaintextOnly, shallowCopy, va.body);
        }
    }
}

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From source file:com.microsoft.sqlserver.testframework.DBTable.java

/**
 * //from w w  w .  ja  v a2s .  c  o  m
 * @return query to create table
 */
String populateTableSql() {
    StringJoiner sb = new StringJoiner(SPACE_CHAR);

    sb.add("INSERT");
    sb.add("INTO");
    sb.add(escapedTableName);
    sb.add("VALUES");

    for (int i = 0; i < totalRows; i++) {
        if (i != 0) {
            sb.add(COMMA);
        }
        sb.add(OPEN_BRACKET);
        for (int colNum = 0; colNum < totalColumns; colNum++) {

            // TODO: consider how to enclose data in case of preparedStatemets
            if (passDataAsString(colNum)) {
                sb.add("'" + String.valueOf(getColumn(colNum).getRowValue(i)) + "'");
            } else if (passDataAsHex(colNum)) {
                sb.add("0X" + Hex.encodeHexString((byte[]) (getColumn(colNum).getRowValue(i))));
            } else {
                sb.add(String.valueOf(getColumn(colNum).getRowValue(i)));
            }

            if (colNum < totalColumns - 1) {
                sb.add(COMMA);
            }
        }
        sb.add(CLOSE_BRACKET);
    }

    return (sb.toString());
}

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From source file:org.polymap.p4.data.importer.prompts.CharsetPrompt.java

private String displayName(Charset charset) {
    StringBuffer name = new StringBuffer(charset.displayName(Polymap.getSessionLocale()));
    if (!charset.aliases().isEmpty()) {
        name.append(" ( ");
        StringJoiner joiner = new StringJoiner(", ");
        for (String alias : charset.aliases()) {
            joiner.add(alias);//from   www . j a v a  2s  .co  m
        }
        name.append(joiner.toString());
        name.append(" )");
    }
    return name.toString();
}

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From source file:info.archinnov.achilles.internals.parser.FieldInfoParser.java

protected Tuple2<CodeBlock, ColumnInfo> buildColumnInfo(AnnotationTree annotationTree, VariableElement elm,
        String fieldName, TypeName rawEntityClass) {
    final CodeBlock.Builder builder = CodeBlock.builder();
    final boolean isFrozen = containsAnnotation(annotationTree, Frozen.class);
    final Optional<TypedMap> partitionKey = extractTypedMap(annotationTree, PartitionKey.class);
    final Optional<TypedMap> clusteringColumn = extractTypedMap(annotationTree, ClusteringColumn.class);
    final Optional<TypedMap> computed = extractTypedMap(annotationTree, Computed.class);

    validateAllowedFrozen(isFrozen, aptUtils, elm, fieldName, rawEntityClass);

    if (partitionKey.isPresent()) {
        final int order = partitionKey.get().getTyped("order");
        aptUtils.validateTrue(order > 0,
                "@PartitionKey order on field '%s' of class '%s' should be > 0, the ordering starts at 1",
                fieldName, rawEntityClass);
        builder.add("new $T($L, $L)", PARTITION_KEY_INFO, order, isFrozen);
        return Tuple2.of(builder.build(), new PartitionKeyInfo(order, isFrozen));

    } else if (clusteringColumn.isPresent()) {
        final int order = clusteringColumn.get().getTyped("order");
        final ClusteringOrder clusteringOrder = clusteringColumn.get().<Boolean>getTyped("asc") ? ASC : DESC;
        aptUtils.validateTrue(order > 0,
                "@ClusteringColumn order on field '%s' of class '%s' should be > 0, the ordering starts at 1",
                fieldName, rawEntityClass);
        builder.add("new $T($L, $L, $T.$L)", CLUSTERING_COLUMN_INFO, order, isFrozen, CLUSTERING_ORDER,
                clusteringOrder.name());
        return Tuple2.of(builder.build(), new ClusteringColumnInfo(order, isFrozen, clusteringOrder));

    } else if (computed.isPresent()) {
        final TypedMap typedMap = computed.get();
        final String function = typedMap.getTyped("function");
        final String alias = typedMap.getTyped("alias");
        final List<String> targetColumns = typedMap.getTyped("targetColumns");
        final Class<?> cqlClass = typedMap.getTyped("cqlClass");
        final ClassName className = ClassName.get(cqlClass);
        final StringJoiner joiner = new StringJoiner(",");

        for (String x : targetColumns) {
            joiner.add("\"" + x + "\"");
        }//from w  ww.  ja  v  a2  s  .  com

        builder.add("new $T($S, $S, $T.asList(new String[]{$L}), $T.class)", COMPUTED_COLUMN_INFO, function,
                alias, ARRAYS, joiner.toString(), className);
        return Tuple2.of(builder.build(), new ComputedColumnInfo(function, alias, targetColumns, cqlClass));

    } else {
        builder.add("new $T($L)", COLUMN_INFO, isFrozen);
        return Tuple2.of(builder.build(), new ColumnInfo(isFrozen));
    }
}

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From source file:com.microsoft.sqlserver.testframework.DBTable.java

/**
 * This will give you query for Drop Table.
 *//*from w  w w.j  a v a2s . c o m*/
String dropTableSql() {
    StringJoiner sb = new StringJoiner(SPACE_CHAR);
    sb.add("IF OBJECT_ID");
    sb.add(OPEN_BRACKET);
    sb.add(wrapName(tableName));
    sb.add(",");
    sb.add(wrapName("U"));
    sb.add(CLOSE_BRACKET);
    sb.add("IS NOT NULL");
    sb.add("DROP TABLE");
    sb.add(escapedTableName); // for drop table no need to wrap.
    return sb.toString();
}

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From source file:org.ballerinalang.langserver.command.CommandUtil.java

/**
 * Get the object constructor snippet generated from public object fields.
 *
 * @param fields     List of Fields//from ww  w .j  av a  2  s.c om
 * @param baseOffset Offset of snippet
 * @return {@link String}   Constructor snippet as String
 */
public static String getObjectConstructorSnippet(List<BLangSimpleVariable> fields, int baseOffset) {
    StringJoiner funcFields = new StringJoiner(", ");
    StringJoiner funcBody = new StringJoiner(CommonUtil.LINE_SEPARATOR);
    String offsetStr = String.join("", Collections.nCopies(baseOffset, " "));
    fields.stream().filter(bField -> ((bField.symbol.flags & Flags.PUBLIC) != Flags.PUBLIC)).forEach(var -> {
        funcFields.add(generateTypeDefinition(null, null, var) + " " + var.name.value);
        funcBody.add(offsetStr + "    self." + var.name.value + " = " + var.name.value + ";");
    });

    return offsetStr + "public function __init(" + funcFields.toString() + ") {" + CommonUtil.LINE_SEPARATOR
            + funcBody.toString() + CommonUtil.LINE_SEPARATOR + offsetStr + "}" + CommonUtil.LINE_SEPARATOR;
}

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